+#!perl -w
+# Copyright (C) 2020-2021 all contributors <meta@public-inbox.org>
+# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
+use strict; use v5.10.1; use PublicInbox::TestCommon;
+test_lei(sub {
+
+ok($lei->(qw(q s:boolean)), 'search miss before import');
+unlike($lei_out, qr/boolean/i, 'no results, yet');
+open my $fh, '<', 't/data/0001.patch' or BAIL_OUT $!;
+ok($lei->([qw(import -f eml -)], undef, { %$lei_opt, 0 => $fh }),
+ 'import single file from stdin');
+close $fh;
+ok($lei->(qw(q s:boolean)), 'search hit after import');
+ok($lei->(qw(import -f eml), 't/data/message_embed.eml'),
+ 'import single file by path');
+
+my $str = <<'';
+From: a@b
+Message-ID: <x@y>
+Status: RO
+
+my $opt = { %$lei_opt, 0 => \$str };
+ok($lei->([qw(import -f eml -)], undef, $opt),
+ 'import single file with keywords from stdin');
+$lei->(qw(q m:x@y));
+my $res = json_utf8->decode($lei_out);
+is($res->[1], undef, 'only one result');
+is_deeply($res->[0]->{kw}, ['seen'], "message `seen' keyword set");
+
+$str =~ tr/x/v/; # v@y
+ok($lei->([qw(import --no-kw -f eml -)], undef, $opt),
+ 'import single file with --no-kw from stdin');
+$lei->(qw(q m:v@y));
+$res = json_utf8->decode($lei_out);
+is($res->[1], undef, 'only one result');
+is_deeply($res->[0]->{kw}, [], 'no keywords set');
+
+});
+done_testing;